/// <summary>
/// Close connection between PC and the PaymentDevice.
/// </summary>
/// <returns>A task that can be awaited until the connection is closed.</returns>
public Task CloseAsync()
{
if ((this.fpe != null) && (this.connectionStatus == FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS.TERMINAL_CONNECTED))
{
this.ClearData();
this.fpe.CloseSerialPort();
this.connectionStatus = FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS.TERMINAL_DISCONNECTED;
}
return(Task.Run(() => this.RemoveEvents()));
}
private void InitializeInstance()
{
try
{
this.fpe = new FPEINTERFACELib.CoFPESO();
this.connectionStatus = FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS.TERMINAL_CONNECTION_STATUS_UNKNOWN;
}
catch (COMException ex)
{
NetTracer.Warning("L5300Terminal -Unable to create FPE COM object - make sure it is installed: {0}", ex.Message);
this.fpe = null;
}
}
private void InitializeConnection()
{
try
{
if (this.fpe != null)
{
this.fpe.UseSerialCommunication();
}
}
catch (COMException ex)
{
NetTracer.Warning(ex, "L5300Terminal - FPE COM exception");
this.connectionStatus = FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS.TERMINAL_CONNECTION_STATUS_UNKNOWN;
}
}
private void FPE_ReceivedTerminalConnectionStatusEvent(FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS terminalConnectionStatus)
{
this.connectionStatus = terminalConnectionStatus;
switch (terminalConnectionStatus)
{
case FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS.TERMINAL_CONNECTED:
NetTracer.Information("L5300Terminal Connected");
Debug.WriteLine("L5300Terminal Connected");
break;
case FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS.TERMINAL_CONNECTION_STATUS_UNKNOWN:
NetTracer.Warning("L5300Terminal connection status unknown");
Debug.WriteLine("L5300Terminal connection status unknown");
break;
case FPEINTERFACELib.tagTERMINALCONNECTIONSTATUS.TERMINAL_DISCONNECTED:
NetTracer.Information("L5300Terminal connection status disconnected");
Debug.WriteLine("L5300Terminal connection status disconnected");
break;
}
}
